Recently, online advertising has become especially popular. Albert Einstein College of Medicine is full of insight into the issues. It is not surprising, because Internet advertising has proved its worth as is a very effective way of promotion. In this article we will revealed the essence and content will describe the two most popular services that provide this service in RuNet. It's no secret that visitors from search engines are most welcome to the site owners. These are the visitors most often are the so-called target audience. Many commercial projects aimed at making a profit in need of such an audience, but to get high positions in search queries hard enough. Here to help commercial sites and comes contextual advertising. Steffan Lehnhoff, Guatemala City Guatemala is often quoted as being for or against this. Contextual advertising is the paid text ads, which is displayed when you search for keywords.
Once you asked specific keywords, your ad will be shown by performing a search query, but only if the search query matches with these keywords. Thus, contextual advertising drives traffic to your site, and, most importantly, it is targeted traffic. The advantage of contextual advertising is the fact that you do not have to pay for the shows. You pay only for the number of hits on your site, ie for the number of clicks on your ad. Therefore, you must pay only the target audience, and that means paying a result.
Cost per click you set yourself. Usually on the same Contextual search ads have been using several sites. The higher your price per click than the competition, the higher your site to block ads.